Re: [HACKERS] Connection limit and Superuser

2006-07-31 Thread Hannu Krosing
Ühel kenal päeval, E, 2006-07-31 kell 09:52, kirjutas Tom Lane: > Andrew Dunstan <[EMAIL PROTECTED]> writes: > > Martijn van Oosterhout wrote: > >> Maybe someone should look into enabling slony to not run as a > >> superuser? > > > That was my initial reaction to this suggestion. But then I realis

Re: [HACKERS] Connection limit and Superuser

2006-07-31 Thread Chris Browne
[EMAIL PROTECTED] (Andrew Dunstan) writes: > Joshua D. Drake wrote: > >> >>> >>> As a protection against malice, yes. I think Rod was more >>> interested in some protection against stupidity. >>> >>> Maybe the real answer is that Slony should connect as a >>> non-superuser and call security definer

Re: [HACKERS] Connection limit and Superuser

2006-07-31 Thread Andrew Dunstan
Joshua D. Drake wrote: As a protection against malice, yes. I think Rod was more interested in some protection against stupidity. Maybe the real answer is that Slony should connect as a non-superuser and call security definer functions for the privileged things it needs to do. Wouldn'

Re: [HACKERS] Connection limit and Superuser

2006-07-31 Thread Joshua D. Drake
As a protection against malice, yes. I think Rod was more interested in some protection against stupidity. Maybe the real answer is that Slony should connect as a non-superuser and call security definer functions for the privileged things it needs to do. Wouldn't that break Slony's abili

Re: [HACKERS] Connection limit and Superuser

2006-07-31 Thread Andrew Dunstan
Tom Lane wrote: Andrew Dunstan <[EMAIL PROTECTED]> writes: Martijn van Oosterhout wrote: Maybe someone should look into enabling slony to not run as a superuser? That was my initial reaction to this suggestion. But then I realised that it might well make sense to have a se

Re: [HACKERS] Connection limit and Superuser

2006-07-31 Thread Rod Taylor
On Mon, 2006-07-31 at 09:52 -0400, Tom Lane wrote: > Andrew Dunstan <[EMAIL PROTECTED]> writes: > > Martijn van Oosterhout wrote: > >> Maybe someone should look into enabling slony to not run as a > >> superuser? > > > That was my initial reaction to this suggestion. But then I realised > > that

Re: [HACKERS] Connection limit and Superuser

2006-07-31 Thread Tom Lane
Andrew Dunstan <[EMAIL PROTECTED]> writes: > Martijn van Oosterhout wrote: >> Maybe someone should look into enabling slony to not run as a >> superuser? > That was my initial reaction to this suggestion. But then I realised > that it might well make sense to have a separate connection-limited >

Re: [HACKERS] Connection limit and Superuser

2006-07-31 Thread Rod Taylor
On Mon, 2006-07-31 at 15:00 +0200, Martijn van Oosterhout wrote: > On Mon, Jul 31, 2006 at 08:47:38AM -0400, Rod Taylor wrote: > > It appears that the superuser does not have connection limit > > enforcement. I think this should be changed. > > So if some admin process goes awry and uses up all th

Re: [HACKERS] Connection limit and Superuser

2006-07-31 Thread Csaba Nagy
Nevermind, I realized now that you're talking about a different setting. > I thought there is a limit for super-users too... citation from: > http://www.postgresql.org/docs/8.1/static/runtime-config-connection.html#RUNTIME-CONFIG-CONNECTION-SETTINGS Cheers, Csaba. ---(e

Re: [HACKERS] Connection limit and Superuser

2006-07-31 Thread Rod Taylor
On Mon, 2006-07-31 at 15:07 +0200, Csaba Nagy wrote: > On Mon, 2006-07-31 at 15:00, Martijn van Oosterhout wrote: > > On Mon, Jul 31, 2006 at 08:47:38AM -0400, Rod Taylor wrote: > > > It appears that the superuser does not have connection limit > > > enforcement. I think this should be changed. > >

Re: [HACKERS] Connection limit and Superuser

2006-07-31 Thread Rod Taylor
On Mon, 2006-07-31 at 09:06 -0400, Tom Lane wrote: > Rod Taylor <[EMAIL PROTECTED]> writes: > > It appears that the superuser does not have connection limit > > enforcement. I think this should be changed. > > If you're superuser, you are not subject to access restrictions, > by definition. I can

Re: [HACKERS] Connection limit and Superuser

2006-07-31 Thread Andrew Dunstan
Martijn van Oosterhout wrote: On Mon, Jul 31, 2006 at 08:47:38AM -0400, Rod Taylor wrote: It appears that the superuser does not have connection limit enforcement. I think this should be changed. So if some admin process goes awry and uses up all the connection slots, how does the admi

Re: [HACKERS] Connection limit and Superuser

2006-07-31 Thread Csaba Nagy
On Mon, 2006-07-31 at 15:00, Martijn van Oosterhout wrote: > On Mon, Jul 31, 2006 at 08:47:38AM -0400, Rod Taylor wrote: > > It appears that the superuser does not have connection limit > > enforcement. I think this should be changed. > > So if some admin process goes awry and uses up all the conn

Re: [HACKERS] Connection limit and Superuser

2006-07-31 Thread Tom Lane
Rod Taylor <[EMAIL PROTECTED]> writes: > It appears that the superuser does not have connection limit > enforcement. I think this should be changed. If you're superuser, you are not subject to access restrictions, by definition. I cannot imagine any scenario under which the above would be a good

Re: [HACKERS] Connection limit and Superuser

2006-07-31 Thread Martijn van Oosterhout
On Mon, Jul 31, 2006 at 08:47:38AM -0400, Rod Taylor wrote: > It appears that the superuser does not have connection limit > enforcement. I think this should be changed. So if some admin process goes awry and uses up all the connection slots, how does the admin get in to see what's happening? If t

[HACKERS] Connection limit and Superuser

2006-07-31 Thread Rod Taylor
It appears that the superuser does not have connection limit enforcement. I think this should be changed. Slony in particular does not need more than N connections but does require being a super user. -- ---(end of broadcast)--- TIP 6: explain an